This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

One of the best examples of Art Deco architecture in the United States.

The largest land animal skull ever discovered.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

This former mining town was named the most toxic town in America.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Nature's biggest mammal swims in landlocked Oklahoma.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

An acoustic anomaly with a mysterious cause.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.